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winecrt0: Store the appropriate longjmp() function in the exception frame. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2019-05-14 13:14:35 +02:00
parent d5a372abbb
commit 9177a75acc
2 changed files with 8 additions and 3 deletions
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2
dlls/winecrt0/exception.c
View File

@ -59,7 +59,7 @@ static void DECLSPEC_NORETURN unwind_target(void)
{
__WINE_FRAME *wine_frame = (__WINE_FRAME *)__wine_get_frame();
__wine_pop_frame( &wine_frame->frame );
siglongjmp( wine_frame->jmp, 1 );
for (;;) wine_frame->longjmp( wine_frame->jmp, 1 );
}
static void DECLSPEC_NORETURN unwind_frame( EXCEPTION_RECORD *record,

9
include/wine/exception.h
View File

@ -94,8 +94,8 @@ extern "C" {
#if defined(__MINGW32__) || defined(__CYGWIN__) || defined(__WINE_SETJMP_H)
#define sigjmp_buf jmp_buf
#define sigsetjmp(buf,sigs) setjmp(buf)
#define siglongjmp(buf,val) longjmp(buf,val)
static inline int sigsetjmp( sigjmp_buf buf, int sigs ) { return setjmp( buf ); }
static inline void siglongjmp( sigjmp_buf buf, int val ) { longjmp( buf, val ); }
#endif
extern void __wine_rtl_unwind( EXCEPTION_REGISTRATION_RECORD* frame, EXCEPTION_RECORD *record,
@ -139,6 +139,7 @@ extern DWORD __wine_finally_ctx_handler( EXCEPTION_RECORD *record,
} else { \
__f.frame.Handler = __wine_exception_handler; \
__f.u.filter = (func); \
__f.longjmp = siglongjmp; \
if (sigsetjmp( __f.jmp, 0 )) { \
const __WINE_FRAME * const __eptr __attribute__((unused)) = &__f; \
do {
@ -151,6 +152,7 @@ extern DWORD __wine_finally_ctx_handler( EXCEPTION_RECORD *record,
__f.frame.Handler = __wine_exception_ctx_handler; \
__f.u.filter_ctx = (func); \
__f.ctx = context; \
__f.longjmp = siglongjmp; \
if (sigsetjmp( __f.jmp, 0 )) { \
const __WINE_FRAME * const __eptr __attribute__((unused)) = &__f; \
do {
@ -162,6 +164,7 @@ extern DWORD __wine_finally_ctx_handler( EXCEPTION_RECORD *record,
break; \
} else { \
__f.frame.Handler = __wine_exception_handler_page_fault; \
__f.longjmp = siglongjmp; \
if (sigsetjmp( __f.jmp, 0 )) { \
const __WINE_FRAME * const __eptr __attribute__((unused)) = &__f; \
do {
@ -173,6 +176,7 @@ extern DWORD __wine_finally_ctx_handler( EXCEPTION_RECORD *record,
break; \
} else { \
__f.frame.Handler = __wine_exception_handler_all; \
__f.longjmp = siglongjmp; \
if (sigsetjmp( __f.jmp, 0 )) { \
const __WINE_FRAME * const __eptr __attribute__((unused)) = &__f; \
do {
@ -237,6 +241,7 @@ typedef struct __tagWINE_FRAME
} u;
void *ctx;
sigjmp_buf jmp;
void (*longjmp)(sigjmp_buf,int);
/* hack to make GetExceptionCode() work in handler */
DWORD ExceptionCode;
const struct __tagWINE_FRAME *ExceptionRecord;